Home / 48,406,729.53-72,631,536.43-25,372,189.78

Finding the Fourth Proportional to 48,406,729.53, 72,631,536.43 and 25,372,189.78

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Solution

The fourth proportional to 48,406,729.53, 72,631,536.43 and 25,372,189.78 is: 38,069,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,406,729.53 : 72,631,536.43 = 25,372,189.78 : x
  2. Step 2: Convert to fraction form
    48,406,729.53/72,631,536.43 = 25,372,189.78/x
  3. Step 3: Cross multiply
    48,406,729.53x = 72,631,536.43 × 25,372,189.78
  4. Step 4: Simplify right side
    48,406,729.53x = 1,842,821,126,069,934.25
  5. Step 5: Solve for x
    x = 1,842,821,126,069,934.25/48,406,729.53
  6. Step 6: Final answer
    x = 38,069,523.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.